AUTOMATIC MODE DETECTION AND REJECTION OF INADVERTENT MODE CHANGES FROM DUAL USE OF SENSOR INPUT CHANNEL

A method and apparatus for control to determine the presence of a sensor or jumper on a single input channel to a micro-controller. The control process includes utilisation of a lag filter equation that allow the input channel t o be utilized for two conditions, which were previously mutually exclus...

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Hauptverfasser:	HAMMER, JEFFREY M, STOUT, MARK E, KENSOK, TIMOTHY J, LENTZ, TRACY L, READIO, PHILIP O
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	A method and apparatus for control to determine the presence of a sensor or jumper on a single input channel to a micro-controller. The control process includes utilisation of a lag filter equation that allow the input channel t o be utilized for two conditions, which were previously mutually exclusive. Th is dual use of a single micro-controller input allows communication to the micr o- controller regarding first the mode in which the device is configured, and second the actual value of a condition as read by a sensor, if so configured . Additionally, the filtering provides the ability for the control to remain i n a single mode of operation even if a sensor failure occurs.